Results 51 to 60 of about 360 (159)
Three formaldehyde-based resins were prepared: urea-formaldehyde (UF) resin without melamine modifier (named UF0 resin) and melamine-urea-formaldehyde (MUF) resins with melamine modifier added at two different synthesis stages (named MUF1 resin and MUF2 resin).
Jizhi Zhang +4 more
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This work was focused on the production and characterization of lightweight and water resistance particle boards with various lignocellulosic materials of the annual plants hemp (Cannabis sativa L.), canola (Brassica napus L.) and bagasse (Saccharum officinarum L.) in admixtures with industrial wood. Some chemical properties of these annual plants were
Nikvash, Neda +2 more
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The objective of this study was to evaluate the feasibility of partially replacing melamine-urea-formaldehyde (MUF) resin with lignosulfonates and to assess the effects on the physical and mechanical properties of the boards. Particleboards were produced using MUF resin, with partial substitution by either sodium lignosulfonate (NaLS) or magnesium ...
IRYNA LYTVYN +4 more
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The feasibility of improving medium-density fiberboard (MDF) for structural applications was addressed by improving its mechanical and dimensional properties through modifications in resin formulation and board density.
Bora Jeong, Min Lee, Sang-Min Lee
doaj
The study investigated the possibility of using rape straw and expanded polystyrene for the production of low density particleboards. Particleboards with the core layer made of wood chips or rape straw, partly substituted with polystyrene (7%), were ...
Dorota Dziurka +3 more
doaj
Two types of thermosetting resins MUF and UF have been used as glues for birch wood veneer. As resins modifiers polyvinylacetate emulsion (PVA), polyvinylbutiral (PVB) (powder and solution), rubber latex, adipic (Ad) and sebacic (Seb) acids have been utilized.
Kajaks, Janis, Kolbins, Arsenijs
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Influence of MUF resin condensation degree on adhesive bond properties
Melamine-urea-formaldehyde resins with their excellent properties, in particular resistance to humidity and water and colourless adhesive bond, are widely used in the wood industry. In spite of the fact that the basic reaction between melamine and formaldehyde has been known for over seventy years, the conditions of synthesis and molar ratios continue ...
Gornik Bučar , Dominika +2 more
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Effect of Wood Species, Bark Particle Size, and Adhesive Type on the Properties of Bark-Based Boards
Significant quantities of bark are generated during wood processing, with the majority being utilized for energy production and soil enhancement. This study investigated the influence of bark particle size and resin type (urea-formaldehyde (UF) and ...
Marek Nociar +3 more
doaj
WHEAT STRAW AS RAW MATERIAL FOR MANUFACTURE OF STRAW MDF
Wheat straw was used to produce medium-density fiberboard (MDF). The chemical and physical characteristics of fractionated size-reduced wheat straw were investigated.
Sören Bernhard Halvarsson +2 more
doaj
The effects of adding defatted soybean flour (SF) at different stages of the “alkali-acid-alkali” process were studied relative to the viscosity, impact toughness, bonding strength, and water resistance of melamine-urea-formaldehyde (MUF) resin.
Jiankun Liang +7 more
doaj

